Insect/Plant Diagnosis Entomology Practicum A

Aphid - Destructive Damage: Aphid feeding may cause curled, yellowed, and deformed leaves, as well as stunted shoots.

Aphid Control Management: Biological Control Allow beneficial insects (syrphid fly larvae, lacewings, ladybird beetles, parasitic wasps) to continue to kill the aphids. Control ant populations Prune areas with aphids, and avoid using high levels of nitrogen fertilizer. Washing aphids from plants with a forceful stream of water obtains good, short-term control. Repeat as necessary. Spray aphids with insecticidal soap

Corn Earworm - Destructive Larvae feed on leaves, tassels, the whorl, and within ears, but the ears are the preferred sites for corn earworm attack. Ear damage is characterized by extensive excrement at the ear tip. Young larvae feed on corn silks, clipping them off. Corn earworm is primarily a problem in sweet corn where treatments should be timed to coincide with egg hatch. Biological Control Many predators and parasites attack corn earworm eggs, acewings, minute pirate bugs feed on corn earworm eggs and small larvae. Cultural Control In sweet corn, very early plantings require fewer treatments than late-season corn because earworm population densities increase as the season progresses.

Corn Earworm - Destructive

Codling Moths ID / Damage

Codling Moth - Control In trees with low levels, codling moth often can be kept to tolerable levels by using a combination of nonchemical management methods Where populations are moderate to high and many infested trees are nearby, insecticide applications might be necessary to bring populations down to low levels.

Japanese Beetle The telltale signs of Japanese beetles include skeletonized leaves or total defoliation. Pyrethrin-based insecticide is a safe and effective way to control these pests on vegetables, grapes, raspberries, flowers, roses, trees and shrubs.

Ladybird Beetle – Beneficial – No Control Eat aphids!

Lacewing - Beneficial Green Lacewing are an exceptional addition to any IPM (Integrated Pest Management) program. Adults feed only on nectar, pollen, and aphid honeydew, but the larvae are active predators. Be sure to provide food for the adults so they will stay and deposit their eggs. Green Lacewing larvae are voracious eaters of the eggs and immature stages of many soft bodied insect pests, including several species of aphids, These little beauties are a wonderful and cost effective addition to any pest control program.

Minute Pirate Bug - Beneficial Benefit: Nymphs and adults prey on aphids, chinch bugs, whiteflies, spider mites, and other arthropods. They are particularly attracted to colonies of thrips, others feed on eggs and larvae of the corn earworm.

Sawtooth Grain Beetle apply insecticides to cracks and crevices only These beetles feed on a variety of stored products including flour, cereals, bread, pasta, dried fruits, sugar, nuts, drugs, dried meat, and tobacco. With their flattened body, they easily hide in cracks and crevices, and can penetrate poorly packaged materials. apply insecticides to cracks and crevices only

Syrphid Fly – beneficial Generally considered beneficial because the larval stages of many species are predaceous on insect pests such as aphids and adults pollinate flowers. They are often attracted to honeydew covered leaves characteristic of infestations of sucking insects such as aphids. Legless larvae of these (Syrphinae) species are slug-like, adhering to leaf surfaces of infested plants while searching for aphids and other suitable prey (small caterpillars, thrips, etc.).

Tent Caterpillar The adult moth is stout-bodied in appearance, reddish-brown in color, 0.5 to 0.75 inch long, and has a wingspan of about 1 to 2 inches. young caterpillars migrate to a nearby fork on the tree and spin a thick web nest or "tent" The mature larva is about 2 inches long and generally dark in color. It has a dark-colored head and a white stripe running down the center of the back. On each side of the white stripe, down both sides of the body, are longitudinal yellow lines. Between the yellow lines is a series of blue markings, with a black spot in front of each blue spot. Fine hairs are also found all over the body.

Tent Caterpillar Damage The keys to eliminating tent caterpillar problems are early detection, proper identification, and understanding of the life cycle and the use of appropriate cultural or chemical control measures. Biological control. Beneficial insects can help reduce populations of tent caterpillars. THERE ARE NO PREDITOR INSECTS LISTED IN THE PRACTICUM – SO THIS IS NOT AN OPTION Chemical control. Before deciding to spray for tent caterpillars, consider that although individual leaves that have been fed upon will remain damaged, trees that have been defoliated early in the season will usually put on new leaves. It is useless to spray if tent caterpillars have been allowed to feed and have completed their development. ONLY WORKS IF THEY GIVE YOU A LARVA for the INSECT

Termite ID/Destruction Eat wood etc.

Termite control Combine methods such as modifying habitats, excluding termites from the building by physical and chemical means, and using mechanical and chemical methods to destroy existing colonies. Insecticides are applied to the soil either in drenches or by injection.